Avintage guitar is being auctioned. the graph below traces the prices quoted by bidders at different time intervals, measured in minutes, since the auction began. which statement is true about the graph? a. the average rate of change is greater for interval d than for interval e because the line is increasing more quickly at interval d than at interval e. b. the average rate of change is greater for interval c than for interval b because the line is increasing more slowly at interval c than at interval b. c. the average rate of change is greater for interval a than for interval b because the line is increasing more slowly at interval a than at interval b. d. the average rate of change is greater for interval d than for interval c because the line is increasing more quickly at interval d than at interval c.